An active functionality service for e-business applications
ACM SIGMOD Record
Generic Constraints for Content-Based Publish/Subscribe
CooplS '01 Proceedings of the 9th International Conference on Cooperative Information Systems
Integrating Notifications and Transactions: Concepts and X2TS Prototype
EDO '00 Revised Papers from the Second International Workshop on Engineering Distributed Objects
Filter Similarities in Content-Based Publish/Subscribe Systems
ARCS '02 Proceedings of the International Conference on Architecture of Computing Systems: Trends in Network and Pervasive Computing
XML-enabled workflow management for e-services across heterogeneous platforms
The VLDB Journal — The International Journal on Very Large Data Bases
Event Handling for the Universal Enterprise
Information Technology and Management
Data management research at Technische Universität Darmstadt
ACM SIGMOD Record
The design and implementation of an agent-based auction service
International Journal of Agent-Oriented Software Engineering
Design and implementation of the Rebeca publish/subscribe middleware
From active data management to event-based systems and more
Computer Networks: The International Journal of Computer and Telecommunications Networking
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Auctions have been a popular trading paradigm for centuries but have gained new interest through worldwide trading on the Internet. Many B2C sites are embracing reverse auctions as an additional service to registered customers. In all these cases, the efficient notification of the participants is essential. In this paper we develop the notion of a meta-auction that allows a potential buyer to roam automatically across auction sites and we identify critical communication and notification requirements of the next generation of Internet-scale trading systems: First, today's information systems are limited in their growth and interaction potential because the typical client-server and n-tier system architectures are solely based on a request/response interaction; second, the user-initiated query metaphor from the database domain is the primary means for information acquisition; and third, many assumptions about the meaning of data and notifications provided and exchanged through the Internet are left implicit.We argue that Internet-scale business applications require publish/subscribe as an additional interaction paradigm, should leverage proactive information dissemination and caching mechanisms, and that there is a compelling need for metadata-based infrastructures providing common vocabularies for semantically meaningful exchange of data and notifications. We illustrate these points through examples from the auction domain and the development of the meta-auction concept.